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What are different ways in which individuals with a particular trait may increase in a population? [3 MARKS]
What are different ways in which individuals with a particular trait may increase in a population? [3 MARKS]
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Individuals with a particular trait may increase in a population as a result of the following:
(i) Natural selection: When the trait offers some survival advantage.
(ii) Genetic drift: When some genes governing that trait become common in a population.
(iii) When that trait gets acquired during the individual's lifetime.
Each point: 1 Mark
Individuals with a particular trait may increase in a population as a result of the following:
(i) Natural selection: When the trait offers some survival advantage.
(ii) Genetic drift: When some genes governing that trait become common in a population.
(iii) When that trait gets acquired during the individual's lifetime.
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